Document retrieval assisting method and system for the same and document retrieval service using the same

Abstract

Achieving efficient analysis of search results, which is required for the examination of search queries, by listing up both title information of a retrieved document group and the whole information. By arranging search results display area and topic word display area adjacently on a retrieval assisting interface, the title information and topic information can be browsed by users; by arranging search results analysis means such as mark title button for emphasizing documents containing designated topic words, along with mark topic word button for emphasizing topic words contained in a designated document, users can analyze search results readily from various standpoints.

What is claimed is:  
     
       1. A document retrieval method comprising: 
       a step of executing a retrieval command satisfying given search queries; and  
       a step of arranging and displaying an area for displaying search results of the executed retrieval in a list of retrieved documents including information convenient for a user to identify each of the retrieved documents and an area for displaying topic words extracted from a set of the retrieved documents reflecting the search results in a list style or in a graph style including an indication of a degree of relevance between the topic words, wherein said areas are displayed at positions close to each other.  
     
     
       2. A document retrieval method according to  claim 1 , 
       wherein the search queries are given by key words extracted from input word sequences, phrases or sentences or using logical binding of the key words, and wherein the document retrieval method is capable of achieving associative search by using, as keys, documents given by a user, including the case where the document is selected from the retrieved documents.